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Finding the Fourth Proportional to 118,843.75, 178,043.14 and 59,610.07

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Solution

The fourth proportional to 118,843.75, 178,043.14 and 59,610.07 is: 89,303.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,843.75 : 178,043.14 = 59,610.07 : x
  2. Step 2: Convert to fraction form
    118,843.75/178,043.14 = 59,610.07/x
  3. Step 3: Cross multiply
    118,843.75x = 178,043.14 × 59,610.07
  4. Step 4: Simplify right side
    118,843.75x = 10,613,164,038.42
  5. Step 5: Solve for x
    x = 10,613,164,038.42/118,843.75
  6. Step 6: Final answer
    x = 89,303.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.